60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
//
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// php-armadillo/stream_utils.hh
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//
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// @Author CismonX
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//
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#ifndef PHP_ARMA_STREAM_UTILS_HH
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#define PHP_ARMA_STREAM_UTILS_HH
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#include "php_arma.hh"
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#ifdef __GNUC__
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#include <ext/stdio_filebuf.h>
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#define Z_ISTREAM_P(zval_p, name) \
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__gnu_cxx::stdio_filebuf<char> _filebuf(zval_to_fd(zval_p), std::ios::in); \
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std::istream name(&filebuf)
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#define Z_OSTREAM_P(zval_p, name) \
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__gnu_cxx::stdio_filebuf<char> _filebuf(zval_to_fd(zval_p), std::ios::out); \
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std::ostream name(&filebuf)
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#define ZVAL_TO_IOSTREAM_SUPPORTED true
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#else
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#define Z_ISTREAM_P(zval_p, name) zval_to_iostream_unsupported()
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#define Z_OSTREAM_P(zval_p, name) zval_to_iostream_unsupported()
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#define ZVAL_TO_IOSTREAM_SUPPORTED false
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#endif // __GNUC__
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namespace php_arma
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{
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zend_always_inline
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int zval_to_fd(zval *zv)
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{
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auto stream = reinterpret_cast<php_stream*>(zend_fetch_resource2_ex(
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zv, "stream", php_file_le_stream(), php_file_le_pstream()));
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if (stream == nullptr) {
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return -1;
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}
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struct {
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FILE *file;
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int fd;
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} *stream_data = reinterpret_cast<decltype(stream_data)>(stream->abstract);
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return stream_data->fd;
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}
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zend_always_inline
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void zval_to_iostream_unsupported()
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{
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zend_throw_exception(zend_ce_type_error, "Resource is not yet supported. Use file name instead, "
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"or re-compile php-armadillo with a compiler supporting GNU extensions.", 0);
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}
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}
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#endif // !PHP_ARMA_STREAM_UTILS_HH
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